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Reducing the costs of I.T without reducing the functionally of your systems is one of the major obstacles to overcome. One of these costs is bandwidth.

One of the first bandwidth saving tips any organization should know is the importance of creating a local YUM repository on your LAN. Not only do you decrease the time it takes to download and install updates, you also decrease bandwidth usage. This saving will definitely please the suites of any organization.

This “How To” show’s you a simple yet effective way of setting up your local YUM server and client.

Although Linux is increasingly making inroads into the desktop market, its origins are very much server based. It is not surprising therefore that Linux has the ability to act as a file server. It is also extremely common for Linux and Windows systems to be used side by side both in home and business environments.

It is a common requirement, therefore, that files on a Linux system be accessible to both Linux, UNIX and Windows based systems over network connections. Similarly, shared folders residing on Windows systems must also be accessible from CentOS systems.

Windows systems share resources such as file systems and printers using a protocol called ServerMessage Block(SMB). In order for a Linux system to serve such resources over a network to a Windows system and vice versa it must, therefore, support SMB. This is achieved using Linux based technology called Samba. In addition to providing integration between Linux and Windows systems, Samba may also be used to provide folder sharing between Linux systems.

In this tutorial we will look at the steps necessary to share file system resources and printers on a CentOS system with remote Windows and Linux systems.

In a typical Amazon Web Services(AWS) Environment, Amazon Machine Images (AMIs) are strictly available in a certain region only. These AMIs cannot be moved from one region to another. Though the AMIs are shared within different Availability Zones of the same region. For this purpose, you can use a third party tool called as CloudyScripts.

CloudyScripts is a collection of tools to help you programming Infrastructure Clouds. The web-based tool is self explanatory and regularly updated. In case you find any bug, do not hesitate to email the owners right away.

AMI should be EBS-backed Linux AMI only. The AWS Access Key and Secret Key can be found at the Security Credentials page of your AWS Account. This information is unique to your account and can be misused. DO NOT share these details with anyone.

The key provided should be generated in the source and target region before using the tool. Provide the .pem key files.

AWS discourages use of “root” user for login into AWS EC2 Instances.

You may use different ssh users like, “ec2-user” for AWS Linux Instances or “ubuntu” user for Ubuntu instances.

Output will be displayed as:

Verify that the AMI is registered in the destination as Private to you i.e.owner.

If you opt to receive mail of the status, enter your email id in the status window.

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